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1、Before the class,You are supposed to be engaged in the material and in whatever it is that we are discussing in class, not necessarily thinking about getting down every word that I say.,Id like you to take active notes rather than passive notes. Write down what can make you feel or learn something.,
2、Better attention, better understanding of the material if you are actively engaged.,Better attention, better understanding of the material if you are actively engaged.,You are supposed to be engaged in the material and in whatever it is that we are discussing in class, not necessarily thinking about
3、 getting down every word that I say.,Id like you to take active notes rather than passive notes. Write down what can make you feel or learn something.,1. What did the first TV in your home look like? How big was it? What was the picture like? 2. What does the TV you are using now look like? How big
4、is it? What is the picture like? 3. What are the differences between tape recorders, CD players, MD players and MP3 players?,Thinking,Unit 1,Reading,The evolution of video and sound devices,Review,Words and expressions,單詞回顧,學生早讀時已預習過本單元單 詞,可利用幾分鐘時間帶學生快速回顧溫習。對單詞的熟練度越高,閱讀的速率也越高。,Words Review,evolution
5、 drawback principle construct delay accessible,n. 演變,發(fā)展,進化 n. 缺點,缺陷,不利條件 n. 原理,法則,道德原則,行為準則 vt. 制造,修筑,建造 vt.&vi.(使)推遲,延遲 n. 延誤,延遲 adj. 可使用的,可接觸的,可到達的,易理解的,Words Review,distribute percentage receiver tube disc,vt. 使分布,分散;分發(fā),分配,分銷 n. 百分率,百分比 n. 無線電接收機,聽筒,受話器,接受者 n. 管子,管狀物,倫敦地鐵 n. 唱片,(計算機)磁盤,wind compo
6、nent eventually portable cassette,Words Review,vt.&vi.上發(fā)條,纏繞,蜿蜒,曲折 n. 組成部分,成分,部件 adv. 最后,終于 adj. 便攜式的,輕便的 n. 盒式磁帶,卡式磁帶,digital storage foresee patent adaptation relay sceptical,Words Review,adj. 數碼的,數字式的 n. 存儲,儲藏(空間) vt. 預料,預見,預知 n. 專利權,專利證書 n. 適應,改編本,改寫本 vt. 播放,轉播;接轉,轉發(fā) n. 接力賽,中繼設備 adj. 懷疑的,black-a
7、nd-white satellite dish wind up,n. 衛(wèi)星電視碟形天線 上發(fā)條 adj. 黑白的,Match,To master some basic knowledge of how to understand headings To gain some information about the history, the current situation and the future improvement of video and sound devices To master the words and expressions in this reading text
8、,objectives,Reading Tips,閱讀時,可根據閱讀任務的不同,綜合運用略讀(skimming)與掃讀(scanning) 。提高快速閱讀水平。,Skimming and scanning,Skimming and scanning are two fast reading skills to help to browse text and extract the key points. The skills require practice, but once you have got the hang of them youll find you can get throu
9、gh a substantial amount of reading in quite a short time. These reading methods make it easier for you to grasp large amounts of material, especially when youre previewing. They are also useful when you dont need to know every word.,略讀(skimming)只看文章標題、下標題以及每個部分或者段落第一行,關注文章中反復出現的關鍵詞。 略讀時,要用充足的時間讀懂段落的
10、第一句和第二句,因為第一句往往是該段的主題句(topic sentence),而第二句往往是對前句的延伸(extension)或進一步的解釋(explanation)。,通過略讀把握文章大意,運用掃讀(scanning)迅速瀏覽從第三句開始的后面部分,搜尋作者對開頭兩句的支持句(supporting sentences),并同時注意文章中間是否有轉折詞(transition),因為這些詞常常會把文章的思路逆轉或加入其它重要的信息。當讀到段落的最后一句時,我們又要使用略讀,這時必須再次放慢速度(slow down your pace)直到完全消化作者對段落的小結(conclusion),因為該小
11、結有可能與主題句截然相反或引導讀者進入下一個段落。,通過掃讀尋找特定信息或特定詞組,Reading strategy,skimming,scanning,a general idea,certain information,titles and headings,the first and last sentences of paragraphs,the first and last paragraphs,pictures and charts,Scan the text for key words and phrases, dates, etc.,Do not need to read th
12、e whole text.,Reading strategy,Understanding headings,appear before each section of a text show how a text is organized give an idea as to the contents of each section,Headings,Can you figure out how the text on Pages 2-3 is organized? (Skimming),TV (in order of time),Early history of TV The modern
13、age: satellite TV,Sound & video recorders (in order of time),Early history of sound recorders Sound and video recorders Sound and video go digital,The future,How this text is organized?,Skimming for general ideas,The information in this article is organized _. A. by paragraphs B. in order of place C
14、. by concepts D. by sub-topics,team work,Reading Comprehension I,Skimming,Scanning for specific information,Scanning,Reading Comprehension II,1. Who developed the system used for most early TV broadcasts? John Logie Baird. 2. Who made the first recording of a human voice? Thomas Edison. 3. What were
15、 developed by the late 1960s? Portable cassette players and video recorders.,1. Colour TV became popular within just a few years after it was invented. 2. People without satellite dishes do not benefit at all from satellite TV broadcasts.,Reading Comprehension III,Scanning,3. Some of the first tape
16、recorders used plastic tape to record on. 4. Records and cassettes do not offer as good a sound quality as CDs. 5. New technology will soon make many of the things talked about in the article out of date.,Work out the timeline for the development of video and sound devices.,Reading Comprehension IV,
17、Emile Berliner invented a record player that used discs to record on.,The first public TV broadcasts were made, in the USA.,Regular public broadcasting began in London.,The first colour TV programme was broadcast.,Satellites were used to broadcast TV.,Regular colour TV broadcasts began in the UK.,Th
18、e first CDs were made available.,The VCD was born.,The DVD was invented.,Undoubtedly, both TV and audio devices will play an increasingly important role in our future life. What other functions would you like them to have in the future?,TV,Do you think we may have a TV-wall in the future?,Time for r
19、eflection,1. You can obtain information quickly in a text by understanding the headings.,2. Think about the meanings: evolution, drawback, principle, delay construct, distribute, receiver, tube wind up, keep pace with, text massage keep in touch with, satellite dish,Now 2 mins to test your spelling.
20、,Spelling Bee,1. English-Chinese wind up, receiver, component, portable, digital, cassette, adaptation 2. Chinese-English 演變,缺點,制造,存儲,專利權, 轉播,懷疑的,百分比,預見,When finished, exchange your papers to see who does the best.,請點擊word圖標,Quiz I: Fill in the blanks with words given in the box. (P5 Part E),constru
21、cted drawbacks percentage eventually delayed receiver foresaw,With the patent of the telephone in 1876, people could now have a conversation with each other over a long distance. Many engineers (1) _ that it would be possible to send electrical signals through the atmosphere without relying on,fores
22、aw,telephone wires. Some important breakthroughs in the development of radio were made by Nikola Tesla in the USA in 1891. However, Teslas work had many (2) _. The first real radio was (3) _ by Guglielmo Marconi, an Italian, in 1896. Early radios just sent signals made up of dots and dashes. It was
23、not until 1906 that adaptations were made so that radio could relay conversation and,drawbacks,constructed,music. Since people were sceptical that the public would want to hear radio broadcasts, the building of radio stations was (4) _ . Only a very small (5) _ of radio stations were built before 19
24、20. however, most people had access to a radio (6) _ by the late 1920s and early 1930s. (7) _, radio became the primary means of getting news and entertainment.,delayed,percentage,receiver,Eventually,Quiz II: 認真閱讀課文的Reading部分,并根據所讀內容在空格處填入最恰當的單詞。每空一詞。,The evolution of video and sound devices,Early h
25、istory of TV In 1925, the first public TV broadcasts were made in the USA. In 1928, the first long-distance TV broadcast was made.,Television,Many people made (1) _ to the development of TV. The years between 1928 and 1951 (2) _ the development of color TV.,The modern age: satellite TV In 1962, sate
26、llites were used to broadcast TV. People who live far away from cities have (3) _ to TV signals with the help of satellite dishes.,contributions,witnessed,access,Sound and video,Early history of sound recorders In 1877, Edison first (4) _ a human voice. Emile Berliner invented a record player using
27、discs as (5) _ to tubes.,Sound and video recorders In 1928, the first tape recorders were made in Germany.,recorded,alternatives,In the early 1950s, tape recorders began using plastic tape instead of (6) _ or paper tape.,Sound and video go digital In 1982, the first CDs were made (7) _. In 1993, the
28、 VCD was born and the DVD was invented in (8) _.,steel,available,1995,The future Nowadays sound and video can be stored on a PC, on the Internet, or using some form of (9) _ storage. Technology is changing fast, and its future is (10) _ our imagination.,portable,beyond,Quiz III.根據短文內容和所給首字母提示,補全所缺單詞
29、。 Thomas Edison was born in Milan, Ohio, on February 11, 1847. He is (1) h_ by people as “king of the invention of the world”. It is (2) e_ difficult to find anyone living today who has not (3) b_ from his inventions. Almost everyone has at least seen an (4) e_ light.,honored,extremely,benefited,electric,In the summer of 1869, th
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